Improvement in heel-burnishing machines



Heel-urnishing Machines. 5

No. 143,507. Patenredoct. 7,1873.

C. w. GLIDDEN, 3Sheets-Sh.eet2.

Heel-Burnishing Machines.

NO. 143,507. Patented Oct. 7,1873.

o L (D i A P a f Q -WJ i i 3Sh`eets-Sheet3. G5 W. (i LIDDEN.

Heel-Burnishing Machines. No. 143,507. Patentedom. 7,1873,

@vk-m7@ g v M UNTED STATES PATENT OFFICE OHAELES w. GLIDDEN, ,OE LYNN,ASSIGNOE To JAMES w. Enooxs,

. TRUSTEE, OE BOSTON, MASsAcHUsETTs.

IMPROVEMENT IN HEEL-BURNISHING MACHINES.

Specification forming part of Letters Patent No. 143,507, dated 'October7, 1873 application l'ed August 25,1873.

To all whom it may concern: Y

Be it known that I, CHARLES W. GLIDDEN, of Lynn, in the county of Essexand State of Massachusetts, have invented an Improved The inventionrelates toa method of burnishing the heels of boots and shoes by theemployment of a series of burnishing devices successively andcontinuously brought into action against the curved edge of the heels.For this purpose I use a hchain the links of which are provided withburnishing-siu'faces, and this chain I pass around a series of notchedor sprocket pulleys, to which rotative movement is imparted to operatethe chain by any suitable means7 the pulleys being so located, or theshoe jacked in such position with relation thereto, that the burnishersare brought into contact with the heel-edge as they move, the pulleysbeing also so arranged that the burnishers are or may be brought intocontact with the whole length of the curved heel-edge. My inventionconsists primarily :in this method of burnishing heel-edges of boots andshoes.

The drawing represents a machine embodying the invention.

Figure lis a front elevation of the machine.

' Fig. 2 is a plan thereof. Fig. 3 is a sectional elevation.

c denotes a post, at the top of which is a 'ame, b, having guide-rods c,upon which is supported and slides a carriage, d, in which the boot orshoe to be heel-burnished is jacked or mounted. The boot is shown asmounted upon a vertical last-pin, c, extending from a shaft, f, journaled in bearings g, the pin,Wl1en loose, swinging down to permit aboot or shoe to be placed upon the pin or removed therefrom. In theupper part of the carriage are bearings fora vertical rod or shaft, h,at the foot of which is a tread or clamp plate, c', that is forced downupon the heel-tread and clamps the boot in position. The rod is forcedup by a spring, lc, and is jointed to a lever, l,bywhich it is moveddown, the lever being preferably fulcrumed upon links m, which, beingbrought into vertical position by the downward movement of the rod, lockthe rod in position to hold the boot. The boot-heel is placed forreception of the tread-plate by means of a guide-block, j, having aheel-socket, n, this block having a stem,.o,extending through thebearing p, and being held down by the stress of the spring 7c. The blockis raised by hand when the boot is to be jacked in position or removed,and in jacking the boot the heel is brought under the socket, and thenthe block is let down, the heel being Within the socket and in positionto receive the tread-plate. Near the opposite end of the frame b is avertical shaft, q, journaled in a suitable bearing7 and carrying at topa sprocket-wheel, r, a bevel-wheel, s, being flxed on the foot of theshaft, and said wheel engaging with and being driven by a bevel-wheel,t, on a driving-shaft, u. The bearing of the shaft qis stationary, and oand w denote two other sprocket-wheels, turning on pins extending frommovable arms m, pivoted to and diverging from a slide, y, that ismounted and slides on the rails z.

Around the three pulleys passes a chain comburnishing-surfaces, as thechain moves, come into contact with the heel-edge. When the chainbetween the wheels isnstraight the burnishers will bear only at onepoint, and to extend the bearing contact the carriage d is pressed inand the wheels brought toward each other. The carriage may be pressed inby hand, and to move the wheels the arms are provided with pulleys c2,overwhich, and down to pedal-levers d2, a cord, c2, passes, downwardpressure of the pedals drawing the arms @c and thewlieels inward, andthey being forced outward, when the pedals are released, by a suitablespring, f?. By pressing in the carriage and the wheels the chain may bemade to embrace the whole curved surface of the heel-edge, the slide yyielding (for the movement of the wheels) against the stress of sprin gsg2. 'The forms of the acting faces of the respective burnishing devicesmay vary, so that by variously fitting to the heel-edge they will actconjointly in the burnishing operation to better eect than if all werealike.

I claim- 1. A boot and shoe heel burnishing machine having, incombination with a suitable mechanism for holding the boot or shoe inposition, a chain or continuous series of burnishing devices,substantially as shown and described.

2. In combination with the burnisher-chain, the movable carriage d,substantially as described.

3. In combination with the burnishing-chain, the movable arms x andwheels o w.

4. The jack-carriage having the vertical swinging pin e, the tread-platezy', and the guideblock j, arranged substantially as shownl anddescribed.

5. In combination with the movable arms x, the mechanism for drawingthem inward and forcing them apart, substantially as shown anddescribed. A

6. The method of burnishing the edges of boot and shoe heels bysubjecting the curved edge to the continuous action of a yielding1series of burnishing devices7 substantially as described.

Executed this Sth day of August, AJ). 187 3.

(1W. GLIDDEN.

Witnesses:

FRANCIS GoULn, M. W. FROTHINGHAM.

